package com.campsys.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.campsys.domain.TManagerClass;

import java.util.List;

public interface ClazzMapper extends BaseMapper<TManagerClass> {

    int addStudentInClazz(Long studentId, Long clazzId);

    int deleteStudentInClazz(Long studentId, Long clazzId);

    List<Long> getStudentIdsInClazz(Long clazzId);

    List<Long> getClazzIdsByStudentId(Long studentId);
}
